<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="父级栏目" prop="parentId">
        <el-tree-select
          v-model="formData.parentId"
          :data="categoryTree"
          :props="categoryTreeProps"
          check-strictly
          default-expand-all
          placeholder="请选择父级栏目"
          value-key="deptId"
        />
      </el-form-item>
      <el-form-item label="栏目标题" prop="title">
        <el-input v-model="formData.title" placeholder="请输入栏目标题" />
      </el-form-item>
      <el-form-item label="副标题" prop="subTitle">
        <el-input v-model="formData.subTitle" placeholder="请输入副标题" />
      </el-form-item>
      <el-form-item label="图标" prop="iconUrl">
        <UploadImg v-model="formData.iconUrl" />
      </el-form-item>
      <el-form-item label="栏目相册" prop="categoryPhotos">
        <UploadImgs v-model="formData.categoryPhotos" />
      </el-form-item>
      <el-form-item label="栏目简介" prop="categoryShortDesc">
        <el-input
          v-model="formData.categoryShortDesc"
          type="textarea"
          placeholder="请输入栏目简介"
        />
      </el-form-item>
      <el-form-item label="栏目介绍" prop="categoryDescription">
        <MdEditor v-model="formData.categoryDescription" height="150px" />
      </el-form-item>
      <el-form-item label="导航栏" prop="navBar">
        <el-radio-group v-model="formData.navBar">
          <el-radio
            v-for="dict in getBoolDictOptions(DICT_TYPE.INFRA_BOOLEAN_STRING)"
            :key="dict.value"
            :value="dict.value"
          >
            {{ dict.label }}
          </el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="栏目状态" prop="status">
        <el-radio-group v-model="formData.status">
          <el-radio
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="dict.value"
            :value="dict.value"
          >
            {{ dict.label }}
          </el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="点击量" prop="viewNum">
        <el-input v-model="formData.viewNum" placeholder="请输入点击量" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script setup lang="ts">
import { getIntDictOptions, getBoolDictOptions, DICT_TYPE } from '@/utils/dict'
import { ArticleCategoryApi, ArticleCategoryVO } from '@/api/cms/articlecategory'
import { defaultProps, handleTree } from '@/utils/tree'

const categoryTreeProps = { ...defaultProps, label: 'title' }
/** 文章栏目 表单 */
defineOptions({ name: 'ArticleCategoryForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  appSiteId: 0,
  appId: '',
  parentId: 0,
  title: undefined,
  subTitle: undefined,
  iconUrl: undefined,
  categoryPhotos: [],
  categoryShortDesc: undefined,
  categoryDescription: undefined,
  navBar: true,
  status: 0,
  viewNum: 0
})
const formRules = reactive({
  appSiteId: [{ required: true, message: '站点编号不能为空', trigger: 'blur' }],
  appId: [{ required: true, message: '站点标识不能为空', trigger: 'blur' }],
  parentId: [{ required: true, message: '父级栏目不能为空', trigger: 'blur' }],
  title: [{ required: true, message: '栏目标题不能为空', trigger: 'blur' }],
  navBar: [{ required: true, message: '导航栏不能为空', trigger: 'blur' }],
  status: [{ required: true, message: '栏目状态不能为空', trigger: 'blur' }],
  viewNum: [{ required: true, message: '点击量不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, appSiteId: number, appId: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await ArticleCategoryApi.getArticleCategory(id)
    } finally {
      formLoading.value = false
    }
  } else {
    formData.value.appSiteId = appSiteId
    formData.value.appId = appId
  }
  // 获得栏目树
  await getTree()
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as ArticleCategoryVO
    if (formType.value === 'create') {
      await ArticleCategoryApi.createArticleCategory(data)
      message.success(t('common.createSuccess'))
    } else {
      await ArticleCategoryApi.updateArticleCategory(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    appSiteId: 0,
    appId: '',
    parentId: 0,
    title: undefined,
    subTitle: undefined,
    iconUrl: undefined,
    categoryPhotos: [],
    categoryShortDesc: undefined,
    categoryDescription: undefined,
    navBar: true,
    status: 0,
    viewNum: 100
  }
  formRef.value?.resetFields()
}

const categoryTree = ref()

/** 获得栏目树 */
const getTree = async () => {
  categoryTree.value = []
  const data = await ArticleCategoryApi.getArticleCategoryPage({
    pageNo: 1,
    pageSize: -1,
    appSiteId: formData.value.appSiteId,
    appId: formData.value.appId
  })
  let category: Tree = { id: 0, title: '顶级栏目', children: [] }
  category.children = handleTree(data.list)
  categoryTree.value.push(category)
}
</script>
